Base | Representation |
---|---|
bin | 1001110101011000001111… |
… | …0101111100010100000000 |
3 | 1102021200022210111021000000 |
4 | 2131112003311330110000 |
5 | 2404123244011440000 |
6 | 34555132124000000 |
7 | 2164121261664060 |
oct | 235260365742400 |
9 | 42250283437000 |
10 | 10812644640000 |
11 | 3499687017a15 |
12 | 1267690990000 |
13 | 605821994aa8 |
14 | 2954989593a0 |
15 | 13b3dd390000 |
hex | 9d583d7c500 |
10812644640000 has 5040 divisors, whose sum is σ = 52763533764480. Its totient is φ = 2149908480000.
The previous prime is 10812644639989. The next prime is 10812644640001. The reversal of 10812644640000 is 4644621801.
It is a happy number.
10812644640000 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 2 + 6 + 4 + 4 + 640 + 0 + 0 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (5040).
It is a super-2 number, since 2×108126446400002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10812644640001) by changing a digit.
It is a polite number, since it can be written in 559 ways as a sum of consecutive naturals, for example, 263723039980 + ... + 263723040020.
It is an arithmetic number, because the mean of its divisors is an integer number (10468955112).
Almost surely, 210812644640000 is an apocalyptic number.
10812644640000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10812644640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26381766882240).
10812644640000 is an abundant number, since it is smaller than the sum of its proper divisors (41950889124480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10812644640000 is an frugal number, since it uses more digits than its factorization.
10812644640000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The spelling of 10812644640000 in words is "ten trillion, eight hundred twelve billion, six hundred forty-four million, six hundred forty thousand".
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